Dusty Ore is an ore that requires Level 20.2 Smithing to craft. It is uncommon, but it can be obtained often if you farm on the mobs in Floor 5.
Dusty Ore is dropped from Armored Scorpion , Fire Scorpion , Sand Wyrm , Centaur Defender , Centurian King , Rock Bull , and the Ancient Lion.
It can craft:
Sandstorm (not to be confused with Sandduster )